Dwyer PTGD-AA04A : Differential Pressure Piston-Type Gage, 1/4" Female NPT In-line Connections, Aluminum Wetted Parts, 2.5", Range 0 to 20 psid.
The Series PTGD Differential Pressure Piston-Type Gauge is built for rugged, high-pressure environments, offering weather and corrosion resistance for reliable performance in harsh conditions. Designed for natural, manufactured, and LP gas applications, it provides accurate pressure drop measurements across filters, strainers, pumps, and heat exchangers. With over-range protection up to 6000 psig (400 bar), it supports high-pressure systems while maintaining ±2% full-scale accuracy. Available in aluminum or 316 stainless steel, the PTGD offers flexible connection options, including standard in-line, back, or bottom connections, making it a versatile choice for complex system designs.
Specifications
| Service | Compatible gases and liquids. |
| Wetted Materials | Gage body: aluminum; Piston: aluminum; Spring 302 SS; Seals: Buna-N (standard); PTFE, Ceramin magnet; Dial case: Nylon 6 30% glass filled gage case. |
| Window | Acrylic. |
| Accuracy | ±2% FS ascending. |
| Temperature Limit | 176°F (80°C). |
| Pressure Limit | 3000 psi (206 bar) for aluminum body |
| Size | 2.5ý (63 mm) |
| Mounting Orientation | Mount in any position. |
| Process Connections | 1/4ý female NPT end connections standard; 1/4ý female NPT back or bottom connections available. All styles available with 1/4ý BSP. |
| Weight | Aluminum: 2.5” 0.88 lb (399 g); |
Datasheets
 |
Dwyer PTGD Data Sheet |
|
Dwyer PTGD Instruction Manual |
- Pressure Type:
- Differential Pressure
- Series:
- PTGD
- Range:
- PSI
